/************************
 jquery-timepicker v1.5.3
 http://jonthornton.github.com/jquery-timepicker/

 requires jQuery 1.7+
 ************************/


(function (factory) {
    if (typeof exports === "object" && exports &&
        typeof module === "object" && module && module.exports === exports) {
        // Browserify. Attach to jQuery module.
        factory(require("jquery"));
    } else if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(['jquery'], factory);
    } else {
        // Browser globals
        factory(jQuery);
    }
}(function ($) {
    var _baseDate = _generateBaseDate();
    var _ONE_DAY = 86400;
    var _lang = {
        am: '上午',
        pm: '下午',
        AM: 'AM',
        PM: 'PM',
        decimal: '.',
        mins: 'mins',
        hr: 'hr',
        hrs: 'hrs'
    };

    var methods =
    {
        init: function(options)
        {
            return this.each(function()
            {
                var self = $(this);

                // pick up settings from data attributes
                var attributeOptions = [];
                for (var key in $.fn.timepicker.defaults) {
                    if (self.data(key))  {
                        attributeOptions[key] = self.data(key);
                    }
                }

                var settings = $.extend({}, $.fn.timepicker.defaults, attributeOptions, options);

                if (settings.lang) {
                    _lang = $.extend(_lang, settings.lang);
                }

                settings = _parseSettings(settings);
                self.data('timepicker-settings', settings);
                self.addClass('ui-timepicker-input');

                if (settings.useSelect) {
                    _render(self);
                } else {
                    self.prop('autocomplete', 'off');
                    self.on('click.timepicker focus.timepicker', methods.show);
                    self.on('change.timepicker', _formatValue);
                    self.on('keydown.timepicker', _keydownhandler);
                    self.on('keyup.timepicker', _keyuphandler);

                    _formatValue.call(self.get(0));
                }
            });
        },

        show: function(e)
        {
            var self = $(this);
            var settings = self.data('timepicker-settings');

            if (e) {
                if (!settings.showOnFocus) {
                    return true;
                }

                e.preventDefault();
            }

            if (settings.useSelect) {
                self.data('timepicker-list').focus();
                return;
            }

            if (_hideKeyboard(self)) {
                // block the keyboard on mobile devices
                self.blur();
            }

            var list = self.data('timepicker-list');

            // check if input is readonly
            if (self.prop('readonly')) {
                return;
            }

            // check if list needs to be rendered
            if (!list || list.length === 0 || typeof settings.durationTime === 'function') {
                _render(self);
                list = self.data('timepicker-list');
            }

            if (_isVisible(list)) {
                return;
            }

            // make sure other pickers are hidden
            methods.hide();

            // position the dropdown relative to the input
            list.show();
            var listOffset = {};

            if (settings.orientation.match(/r/)) {
                // right-align the dropdown
                listOffset.left = self.offset().left + self.outerWidth() - list.outerWidth() + parseInt(list.css('marginLeft').replace('px', ''), 10);
            } else {
                // left-align the dropdown
                listOffset.left = self.offset().left + parseInt(list.css('marginLeft').replace('px', ''), 10);
            }

            var verticalOrientation;
            if (settings.orientation.match(/t/)) {
                verticalOrientation = 't';
            } else if (settings.orientation.match(/b/)) {
                verticalOrientation = 'b';
            } else if ((self.offset().top + self.outerHeight(true) + list.outerHeight()) > $(window).height() + $(window).scrollTop()) {
                verticalOrientation = 't';
            } else {
                verticalOrientation = 'b';
            }

            if (verticalOrientation == 't') {
                // position the dropdown on top
                list.addClass('ui-timepicker-positioned-top');
                listOffset.top = self.offset().top - list.outerHeight() + parseInt(list.css('marginTop').replace('px', ''), 10);
            } else {
                // put it under the input
                list.removeClass('ui-timepicker-positioned-top');
                listOffset.top = self.offset().top + self.outerHeight() + parseInt(list.css('marginTop').replace('px', ''), 10);
            }

            list.offset(listOffset);

            // position scrolling
            var selected = list.find('.ui-timepicker-selected');

            if (!selected.length) {
                if (_getTimeValue(self)) {
                    selected = _findRow(self, list, _time2int(_getTimeValue(self)));
                } else if (settings.scrollDefault) {
                    selected = _findRow(self, list, settings.scrollDefault);
                }
            }

            if (selected && selected.length) {
                var topOffset = list.scrollTop() + selected.position().top - selected.outerHeight();
                list.scrollTop(topOffset);
            } else {
                list.scrollTop(0);
            }

            // attach close handlers
            $(document).on('touchstart.ui-timepicker mousedown.ui-timepicker', _closeHandler);
            if (settings.closeOnWindowScroll) {
                $(document).on('scroll.ui-timepicker', _closeHandler);
            }

            self.trigger('showTimepicker');

            return this;
        },

        hide: function(e)
        {
            var self = $(this);
            var settings = self.data('timepicker-settings');

            if (settings && settings.useSelect) {
                self.blur();
            }

            $('.ui-timepicker-wrapper').each(function() {
                var list = $(this);
                if (!_isVisible(list)) {
                    return;
                }

                var self = list.data('timepicker-input');
                var settings = self.data('timepicker-settings');

                if (settings && settings.selectOnBlur) {
                    _selectValue(self);
                }

                list.hide();
                self.trigger('hideTimepicker');
            });

            return this;
        },

        option: function(key, value)
        {
            return this.each(function(){
                var self = $(this);
                var settings = self.data('timepicker-settings');
                var list = self.data('timepicker-list');

                if (typeof key == 'object') {
                    settings = $.extend(settings, key);

                } else if (typeof key == 'string' && typeof value != 'undefined') {
                    settings[key] = value;

                } else if (typeof key == 'string') {
                    return settings[key];
                }

                settings = _parseSettings(settings);

                self.data('timepicker-settings', settings);

                if (list) {
                    list.remove();
                    self.data('timepicker-list', false);
                }

                if (settings.useSelect) {
                    _render(self);
                }
            });
        },

        getSecondsFromMidnight: function()
        {
            return _time2int(_getTimeValue(this));
        },

        getTime: function(relative_date)
        {
            var self = this;

            var time_string = _getTimeValue(self);
            if (!time_string) {
                return null;
            }

            if (!relative_date) {
                relative_date = new Date();
            }
            var offset = _time2int(time_string);

            // construct a Date with today's date, and offset's time
            var time = new Date(relative_date);
            time.setHours(offset / 3600);
            time.setMinutes(offset % 3600 / 60);
            time.setSeconds(offset % 60);
            time.setMilliseconds(0);

            return time;
        },

        setTime: function(value)
        {
            var self = this;
            var settings = self.data('timepicker-settings');

            if (settings.forceRoundTime) {
                var prettyTime = _roundAndFormatTime(value, settings)
            } else {
                var prettyTime = _int2time(_time2int(value), settings);
            }

            _setTimeValue(self, prettyTime);
            if (self.data('timepicker-list')) {
                _setSelected(self, self.data('timepicker-list'));
            }

            return this;
        },

        remove: function()
        {
            var self = this;

            // check if this element is a timepicker
            if (!self.hasClass('ui-timepicker-input')) {
                return;
            }

            var settings = self.data('timepicker-settings');
            self.removeAttr('autocomplete', 'off');
            self.removeClass('ui-timepicker-input');
            self.removeData('timepicker-settings');
            self.off('.timepicker');

            // timepicker-list won't be present unless the user has interacted with this timepicker
            if (self.data('timepicker-list')) {
                self.data('timepicker-list').remove();
            }

            if (settings.useSelect) {
                self.show();
            }

            self.removeData('timepicker-list');

            return this;
        }
    };

    // private methods

    function _isVisible(elem)
    {
        var el = elem[0];
        return el.offsetWidth > 0 && el.offsetHeight > 0;
    }

    function _parseSettings(settings)
    {
        if (settings.minTime) {
            settings.minTime = _time2int(settings.minTime);
        }

        if (settings.maxTime) {
            settings.maxTime = _time2int(settings.maxTime);
        }

        if (settings.durationTime && typeof settings.durationTime !== 'function') {
            settings.durationTime = _time2int(settings.durationTime);
        }

        if (settings.scrollDefault == 'now') {
            settings.scrollDefault = _time2int(new Date());
        } else if (settings.scrollDefault) {
            settings.scrollDefault = _time2int(settings.scrollDefault);
        } else if (settings.minTime) {
            settings.scrollDefault = settings.minTime;
        }

        if (settings.scrollDefault) {
            settings.scrollDefault = _roundTime(settings.scrollDefault, settings);
        }

        if ($.type(settings.timeFormat) === "string" && settings.timeFormat.match(/[gh]/)) {
            settings._twelveHourTime = true;
        }

        if (settings.disableTimeRanges.length > 0) {
            // convert string times to integers
            for (var i in settings.disableTimeRanges) {
                settings.disableTimeRanges[i] = [
                    _time2int(settings.disableTimeRanges[i][0]),
                    _time2int(settings.disableTimeRanges[i][1])
                ];
            }

            // sort by starting time
            settings.disableTimeRanges = settings.disableTimeRanges.sort(function(a, b){
                return a[0] - b[0];
            });

            // merge any overlapping ranges
            for (var i = settings.disableTimeRanges.length-1; i > 0; i--) {
                if (settings.disableTimeRanges[i][0] <= settings.disableTimeRanges[i-1][1]) {
                    settings.disableTimeRanges[i-1] = [
                        Math.min(settings.disableTimeRanges[i][0], settings.disableTimeRanges[i-1][0]),
                        Math.max(settings.disableTimeRanges[i][1], settings.disableTimeRanges[i-1][1])
                    ];
                    settings.disableTimeRanges.splice(i, 1);
                }
            }
        }

        return settings;
    }

    function _render(self)
    {
        var settings = self.data('timepicker-settings');
        var list = self.data('timepicker-list');

        if (list && list.length) {
            list.remove();
            self.data('timepicker-list', false);
        }

        if (settings.useSelect) {
            list = $('<select />', { 'class': 'ui-timepicker-select' });
            var wrapped_list = list;
        } else {
            list = $('<ul />', { 'class': 'ui-timepicker-list' });

            var wrapped_list = $('<div />', { 'class': 'ui-timepicker-wrapper', 'tabindex': -1 });
            wrapped_list.css({'display':'none', 'position': 'absolute' }).append(list);
        }

        if (settings.noneOption) {
            if (settings.noneOption === true) {
                settings.noneOption = (settings.useSelect) ? 'Time...' : 'None';
            }

            if ($.isArray(settings.noneOption)) {
                for (var i in settings.noneOption) {
                    if (parseInt(i, 10) == i){
                        var noneElement = _generateNoneElement(settings.noneOption[i], settings.useSelect);
                        list.append(noneElement);
                    }
                }
            } else {
                var noneElement = _generateNoneElement(settings.noneOption, settings.useSelect);
                list.append(noneElement);
            }
        }

        if (settings.className) {
            wrapped_list.addClass(settings.className);
        }

        if ((settings.minTime !== null || settings.durationTime !== null) && settings.showDuration) {
            var stepval = typeof settings.step == 'function' ? 'function' : settings.step;
            wrapped_list.addClass('ui-timepicker-with-duration');
            wrapped_list.addClass('ui-timepicker-step-'+settings.step);
        }

        var durStart = settings.minTime;
        if (typeof settings.durationTime === 'function') {
            durStart = _time2int(settings.durationTime());
        } else if (settings.durationTime !== null) {
            durStart = settings.durationTime;
        }
        var start = (settings.minTime !== null) ? settings.minTime : 0;
        var end = (settings.maxTime !== null) ? settings.maxTime : (start + _ONE_DAY - 1);

        if (end <= start) {
            // make sure the end time is greater than start time, otherwise there will be no list to show
            end += _ONE_DAY;
        }

        if (end === _ONE_DAY-1 && $.type(settings.timeFormat) === "string" && settings.show2400) {
            // show a 24:00 option when using military time
            end = _ONE_DAY;
        }

        var dr = settings.disableTimeRanges;
        var drCur = 0;
        var drLen = dr.length;

        var stepFunc = settings.step;
        if (typeof stepFunc != 'function') {
            stepFunc = function() {
                return settings.step;
            }
        }

        for (var i=start, j=0; i <= end; j++, i += stepFunc(j)*60) {
            var timeInt = i;
            var timeString = _int2time(timeInt, settings);

            if (settings.useSelect) {
                var row = $('<option />', { 'value': timeString });
                row.text(timeString);
            } else {
                var row = $('<li />');
                row.data('time', (timeInt <= 86400 ? timeInt : timeInt % 86400));
                row.text(timeString);
            }

            if ((settings.minTime !== null || settings.durationTime !== null) && settings.showDuration) {
                var durationString = _int2duration(i - durStart, settings.step);
                if (settings.useSelect) {
                    row.text(row.text()+' ('+durationString+')');
                } else {
                    var duration = $('<span />', { 'class': 'ui-timepicker-duration' });
                    duration.text(' ('+durationString+')');
                    row.append(duration);
                }
            }

            if (drCur < drLen) {
                if (timeInt >= dr[drCur][1]) {
                    drCur += 1;
                }

                if (dr[drCur] && timeInt >= dr[drCur][0] && timeInt < dr[drCur][1]) {
                    if (settings.useSelect) {
                        row.prop('disabled', true);
                    } else {
                        row.addClass('ui-timepicker-disabled');
                    }
                }
            }

            list.append(row);
        }

        wrapped_list.data('timepicker-input', self);
        self.data('timepicker-list', wrapped_list);

        if (settings.useSelect) {
            if (self.val()) {
                list.val(_roundAndFormatTime(self.val(), settings));
            }

            list.on('focus', function(){
                $(this).data('timepicker-input').trigger('showTimepicker');
            });
            list.on('blur', function(){
                $(this).data('timepicker-input').trigger('hideTimepicker');
            });
            list.on('change', function(){
                _setTimeValue(self, $(this).val(), 'select');
            });

            _setTimeValue(self, list.val());
            self.hide().after(list);
        } else {
            var appendTo = settings.appendTo;
            if (typeof appendTo === 'string') {
                appendTo = $(appendTo);
            } else if (typeof appendTo === 'function') {
                appendTo = appendTo(self);
            }
            appendTo.append(wrapped_list);
            _setSelected(self, list);

            list.on('mousedown', 'li', function(e) {

                // hack: temporarily disable the focus handler
                // to deal with the fact that IE fires 'focus'
                // events asynchronously
                self.off('focus.timepicker');
                self.on('focus.timepicker-ie-hack', function(){
                    self.off('focus.timepicker-ie-hack');
                    self.on('focus.timepicker', methods.show);
                });

                if (!_hideKeyboard(self)) {
                    self[0].focus();
                }

                // make sure only the clicked row is selected
                list.find('li').removeClass('ui-timepicker-selected');
                $(this).addClass('ui-timepicker-selected');

                if (_selectValue(self)) {
                    self.trigger('hideTimepicker');

                    list.on('mouseup.timepicker', 'li', function(e) {
                        list.off('mouseup.timepicker');
                        wrapped_list.hide();
                    });
                }
            });
        }
    }

    function _generateNoneElement(optionValue, useSelect)
    {
        var label, className, value;

        if (typeof optionValue == 'object') {
            label = optionValue.label;
            className = optionValue.className;
            value = optionValue.value;
        } else if (typeof optionValue == 'string') {
            label = optionValue;
        } else {
            $.error('Invalid noneOption value');
        }

        if (useSelect) {
            return $('<option />', {
                'value': value,
                'class': className,
                'text': label
            });
        } else {
            return $('<li />', {
                'class': className,
                'text': label
            }).data('time', value);
        }
    }

    function _roundTime(seconds, settings)
    {
        if (!$.isNumeric(seconds)) {
            seconds = _time2int(seconds);
        }

        if (seconds === null) {
            return null;
        } else {
            var offset = seconds % (settings.step*60); // step is in minutes

            if (offset >= settings.step*30) {
                // if offset is larger than a half step, round up
                seconds += (settings.step*60) - offset;
            } else {
                // round down
                seconds -= offset;
            }

            return seconds;
        }
    }

    function _roundAndFormatTime(seconds, settings)
    {
        seconds = _roundTime(seconds, settings);
        if (seconds !== null) {
            return _int2time(seconds, settings);
        }
    }

    function _generateBaseDate()
    {
        return new Date(1970, 1, 1, 0, 0, 0);
    }

    // event handler to decide whether to close timepicker
    function _closeHandler(e)
    {
        var target = $(e.target);
        var input = target.closest('.ui-timepicker-input');
        if (input.length === 0 && target.closest('.ui-timepicker-wrapper').length === 0) {
            methods.hide();
            $(document).unbind('.ui-timepicker');
        }
    }

    function _hideKeyboard(self)
    {
        var settings = self.data('timepicker-settings');
        return ((window.navigator.msMaxTouchPoints || 'ontouchstart' in document) && settings.disableTouchKeyboard);
    }

    function _findRow(self, list, value)
    {
        if (!value && value !== 0) {
            return false;
        }

        var settings = self.data('timepicker-settings');
        var out = false;
        var halfStep = settings.step*30;

        // loop through the menu items
        list.find('li').each(function(i, obj) {
            var jObj = $(obj);
            if (typeof jObj.data('time') != 'number') {
                return;
            }

            var offset = jObj.data('time') - value;

            // check if the value is less than half a step from each row
            if (Math.abs(offset) < halfStep || offset == halfStep) {
                out = jObj;
                return false;
            }
        });

        return out;
    }

    function _setSelected(self, list)
    {
        list.find('li').removeClass('ui-timepicker-selected');

        var timeValue = _time2int(_getTimeValue(self), self.data('timepicker-settings'));
        if (timeValue === null) {
            return;
        }

        var selected = _findRow(self, list, timeValue);
        if (selected) {

            var topDelta = selected.offset().top - list.offset().top;

            if (topDelta + selected.outerHeight() > list.outerHeight() || topDelta < 0) {
                list.scrollTop(list.scrollTop() + selected.position().top - selected.outerHeight());
            }

            selected.addClass('ui-timepicker-selected');
        }
    }


    function _formatValue(e, origin)
    {
        if (this.value === '' || origin == 'timepicker') {
            return;
        }

        var self = $(this);

        if (self.is(':focus') && (!e || e.type != 'change')) {
            return;
        }

        var settings = self.data('timepicker-settings');
        var seconds = _time2int(this.value, settings);

        if (seconds === null) {
            self.trigger('timeFormatError');
            return;
        }

        var rangeError = false;
        // check that the time in within bounds
        if (settings.minTime !== null && seconds < settings.minTime) {
            rangeError = true;
        } else if (settings.maxTime !== null && seconds > settings.maxTime) {
            rangeError = true;
        }

        // check that time isn't within disabled time ranges
        $.each(settings.disableTimeRanges, function(){
            if (seconds >= this[0] && seconds < this[1]) {
                rangeError = true;
                return false;
            }
        });

        if (settings.forceRoundTime) {
            var offset = seconds % (settings.step*60); // step is in minutes

            if (offset >= settings.step*30) {
                // if offset is larger than a half step, round up
                seconds += (settings.step*60) - offset;
            } else {
                // round down
                seconds -= offset;
            }
        }

        var prettyTime = _int2time(seconds, settings);

        if (rangeError) {
            if (_setTimeValue(self, prettyTime, 'error')) {
                self.trigger('timeRangeError');
            }
        } else {
            _setTimeValue(self, prettyTime);
        }
    }

    function _getTimeValue(self)
    {
        if (self.is('input')) {
            return self.val();
        } else {
            // use the element's data attributes to store values
            return self.data('ui-timepicker-value');
        }
    }

    function _setTimeValue(self, value, source)
    {
        if (self.is('input')) {
            self.val(value);

            var settings = self.data('timepicker-settings');
            if (settings.useSelect && source != 'select') {
                self.data('timepicker-list').val(_roundAndFormatTime(value, settings));
            }
        }

        if (self.data('ui-timepicker-value') != value) {
            self.data('ui-timepicker-value', value);
            if (source == 'select') {
                self.trigger('selectTime').trigger('changeTime').trigger('change', 'timepicker');
            } else if (source != 'error') {
                self.trigger('changeTime');
            }

            return true;
        } else {
            self.trigger('selectTime');
            return false;
        }
    }

    /*
     *  Keyboard navigation via arrow keys
     */
    function _keydownhandler(e)
    {
        var self = $(this);
        var list = self.data('timepicker-list');

        if (!list || !_isVisible(list)) {
            if (e.keyCode == 40) {
                // show the list!
                methods.show.call(self.get(0));
                list = self.data('timepicker-list');
                if (!_hideKeyboard(self)) {
                    self.focus();
                }
            } else {
                return true;
            }
        }

        switch (e.keyCode) {

            case 13: // return
                if (_selectValue(self)) {
                    methods.hide.apply(this);
                }

                e.preventDefault();
                return false;

            case 38: // up
                var selected = list.find('.ui-timepicker-selected');

                if (!selected.length) {
                    list.find('li').each(function(i, obj) {
                        if ($(obj).position().top > 0) {
                            selected = $(obj);
                            return false;
                        }
                    });
                    selected.addClass('ui-timepicker-selected');

                } else if (!selected.is(':first-child')) {
                    selected.removeClass('ui-timepicker-selected');
                    selected.prev().addClass('ui-timepicker-selected');

                    if (selected.prev().position().top < selected.outerHeight()) {
                        list.scrollTop(list.scrollTop() - selected.outerHeight());
                    }
                }

                return false;

            case 40: // down
                selected = list.find('.ui-timepicker-selected');

                if (selected.length === 0) {
                    list.find('li').each(function(i, obj) {
                        if ($(obj).position().top > 0) {
                            selected = $(obj);
                            return false;
                        }
                    });

                    selected.addClass('ui-timepicker-selected');
                } else if (!selected.is(':last-child')) {
                    selected.removeClass('ui-timepicker-selected');
                    selected.next().addClass('ui-timepicker-selected');

                    if (selected.next().position().top + 2*selected.outerHeight() > list.outerHeight()) {
                        list.scrollTop(list.scrollTop() + selected.outerHeight());
                    }
                }

                return false;

            case 27: // escape
                list.find('li').removeClass('ui-timepicker-selected');
                methods.hide();
                break;

            case 9: //tab
                methods.hide();
                break;

            default:
                return true;
        }
    }

    /*
     *	Time typeahead
     */
    function _keyuphandler(e)
    {
        var self = $(this);
        var list = self.data('timepicker-list');

        if (!list || !_isVisible(list)) {
            return true;
        }

        if (!self.data('timepicker-settings').typeaheadHighlight) {
            list.find('li').removeClass('ui-timepicker-selected');
            return true;
        }

        switch (e.keyCode) {

            case 96: // numpad numerals
            case 97:
            case 98:
            case 99:
            case 100:
            case 101:
            case 102:
            case 103:
            case 104:
            case 105:
            case 48: // numerals
            case 49:
            case 50:
            case 51:
            case 52:
            case 53:
            case 54:
            case 55:
            case 56:
            case 57:
            case 65: // a
            case 77: // m
            case 80: // p
            case 186: // colon
            case 8: // backspace
            case 46: // delete
                _setSelected(self, list);
                break;

            default:
                // list.find('li').removeClass('ui-timepicker-selected');
                return;
        }
    }

    function _selectValue(self)
    {
        var settings = self.data('timepicker-settings');
        var list = self.data('timepicker-list');
        var timeValue = null;

        var cursor = list.find('.ui-timepicker-selected');

        if (cursor.hasClass('ui-timepicker-disabled')) {
            return false;
        }

        if (cursor.length) {
            // selected value found
            timeValue = cursor.data('time');
        }

        if (timeValue !== null) {
            if (typeof timeValue == 'string') {
                self.val(timeValue);
                self.trigger('selectTime').trigger('changeTime').trigger('change', 'timepicker');
            } else {
                var timeString = _int2time(timeValue, settings);
                _setTimeValue(self, timeString, 'select');
            }
        }

        return true;
    }

    function _int2duration(seconds, step)
    {
        seconds = Math.abs(seconds);
        var minutes = Math.round(seconds/60),
            duration = [],
            hours, mins;

        if (minutes < 60) {
            // Only show (x mins) under 1 hour
            duration = [minutes, _lang.mins];
        } else {
            hours = Math.floor(minutes/60);
            mins = minutes%60;

            // Show decimal notation (eg: 1.5 hrs) for 30 minute steps
            if (step == 30 && mins == 30) {
                hours += _lang.decimal + 5;
            }

            duration.push(hours);
            duration.push(hours == 1 ? _lang.hr : _lang.hrs);

            // Show remainder minutes notation (eg: 1 hr 15 mins) for non-30 minute steps
            // and only if there are remainder minutes to show
            if (step != 30 && mins) {
                duration.push(mins);
                duration.push(_lang.mins);
            }
        }

        return duration.join(' ');
    }

    function _int2time(seconds, settings)
    {
        if (seconds === null) {
            return;
        }

        var time = new Date(_baseDate.valueOf() + (seconds*1000));

        if (isNaN(time.getTime())) {
            return;
        }

        if ($.type(settings.timeFormat) === "function") {
            return settings.timeFormat(time);
        }

        var output = '';
        var hour, code;
        for (var i=0; i<settings.timeFormat.length; i++) {

            code = settings.timeFormat.charAt(i);
            switch (code) {

                case 'a':
                    output += (time.getHours() > 11) ? _lang.pm : _lang.am;
                    break;

                case 'A':
                    output += (time.getHours() > 11) ? _lang.PM : _lang.AM;
                    break;

                case 'g':
                    hour = time.getHours() % 12;
                    output += (hour === 0) ? '12' : hour;
                    break;

                case 'G':
                    hour = time.getHours();
                    if (seconds === _ONE_DAY) hour = 24;
                    output += hour;
                    break;

                case 'h':
                    hour = time.getHours() % 12;

                    if (hour !== 0 && hour < 10) {
                        hour = '0'+hour;
                    }

                    output += (hour === 0) ? '12' : hour;
                    break;

                case 'H':
                    hour = time.getHours();
                    if (seconds === _ONE_DAY) hour = 24;
                    output += (hour > 9) ? hour : '0'+hour;
                    break;

                case 'i':
                    var minutes = time.getMinutes();
                    output += (minutes > 9) ? minutes : '0'+minutes;
                    break;

                case 's':
                    seconds = time.getSeconds();
                    output += (seconds > 9) ? seconds : '0'+seconds;
                    break;

                case '\\':
                    // escape character; add the next character and skip ahead
                    i++;
                    output += format.charAt(i);
                    break;

                default:
                    output += code;
            }
        }

        return output;
    }

    function _time2int(timeString, settings)
    {
        if (timeString === '') return null;
        if (!timeString || timeString+0 == timeString) return timeString;

        if (typeof(timeString) == 'object') {
            return timeString.getHours()*3600 + timeString.getMinutes()*60 + timeString.getSeconds();
        }

        timeString = timeString.toLowerCase().replace('.', '');

        // if the last character is an "a" or "p", add the "m"
        if (timeString.slice(-1) == 'a' || timeString.slice(-1) == 'p') {
            timeString += 'm';
        }

        var ampmRegex = '(' +
            _lang.am.replace('.', '')+'|' +
            _lang.pm.replace('.', '')+'|' +
            _lang.AM.replace('.', '')+'|' +
            _lang.PM.replace('.', '')+')?'

        // try to parse time input
        var pattern = new RegExp('^'+ampmRegex+'\\s*([0-2]?[0-9])\\W?([0-5][0-9])?\\W?([0-5][0-9])?\\s*'+ampmRegex+'$');

        var time = timeString.match(pattern);
        if (!time) {
            return null;
        }

        var hour = parseInt(time[2]*1, 10);
        var ampm = time[1] || time[5];
        var hours = hour;

        if (hour <= 12 && ampm) {
            var isPm = (ampm == _lang.pm || ampm == _lang.PM);

            if (hour == 12) {
                hours = isPm ? 12 : 0;
            } else {
                hours = (hour + (isPm ? 12 : 0));
            }
        }

        var minutes = ( time[3]*1 || 0 );
        var seconds = ( time[4]*1 || 0 );
        var timeInt = hours*3600 + minutes*60 + seconds;

        // if no am/pm provided, intelligently guess based on the scrollDefault
        if (!ampm && settings && settings._twelveHourTime && settings.scrollDefault) {
            var delta = timeInt - settings.scrollDefault;
            if (delta < 0 && delta >= _ONE_DAY / -2) {
                timeInt = (timeInt + (_ONE_DAY / 2)) % _ONE_DAY;
            }
        }

        return timeInt
    }

    function _pad2(n) {
        return ("0" + n).slice(-2);
    }

    // Plugin entry
    $.fn.timepicker = function(method)
    {
        if (!this.length) return this;
        if (methods[method]) {
            // check if this element is a timepicker
            if (!this.hasClass('ui-timepicker-input')) {
                return this;
            }
            return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        }
        else if(typeof method === "object" || !method) { return methods.init.apply(this, arguments); }
        else { $.error("Method "+ method + " does not exist on jQuery.timepicker"); }
    };
    // Global defaults
    $.fn.timepicker.defaults = {
        className: null,
        minTime: null,
        maxTime: null,
        durationTime: null,
        step: 30,
        showDuration: false,
        showOnFocus: true,
        timeFormat: 'g:ia',
        scrollDefault: null,
        selectOnBlur: false,
        disableTouchKeyboard: false,
        forceRoundTime: false,
        appendTo: 'body',
        orientation: 'l',
        disableTimeRanges: [],
        closeOnWindowScroll: false,
        typeaheadHighlight: true,
        noneOption: false,
        show2400: false,
    };
}));
